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gnupg/g10/keyserver.c

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/* keyserver.c - generic keyserver code
* Copyright (C) 2001 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
* GnuPG is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* GnuPG is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#include <config.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "keyserver-internal.h"
#include "types.h"
#include "options.h"
#include "memory.h"
#include "keydb.h"
#include "cipher.h"
#include "status.h"
#include "i18n.h"
#include "util.h"
#include "main.h"
#include "hkp.h"
#ifndef HAVE_MKDTEMP
char *mkdtemp(char *template);
#endif
#if !(defined(HAVE_FORK) && defined(HAVE_PIPE))
#define KEYSERVER_TEMPFILE_ONLY
#endif
#define KEYSERVER_PROTO_VERSION 0
#define GET 0
#define SEND 1
#define SEARCH 2
void
parse_keyserver_options(char *options)
{
char *tok="";
do
{
if(strcasecmp(tok,"fast-import")==0)
opt.keyserver_options.fast_import=1;
else if(strcasecmp(tok,"no-fast-import")==0)
opt.keyserver_options.fast_import=0;
else if(strcasecmp(tok,"include-revoked")==0)
opt.keyserver_options.include_revoked=1;
else if(strcasecmp(tok,"no-include-revoked")==0)
opt.keyserver_options.include_revoked=0;
else if(strcasecmp(tok,"include-disabled")==0)
opt.keyserver_options.include_disabled=1;
else if(strcasecmp(tok,"no-include-disabled")==0)
opt.keyserver_options.include_disabled=0;
#ifdef KEYSERVER_TEMPFILE_ONLY
else if(strcasecmp(tok,"use-temp-files")==0 ||
strcasecmp(tok,"no-use-temp-files")==0)
log_info(_("Warning: keyserver option \"%s\" is not used "
"on this platform\n"),tok);
#else
else if(strcasecmp(tok,"use-temp-files")==0)
opt.keyserver_options.use_temp_files=1;
else if(strcasecmp(tok,"no-use-temp-files")==0)
opt.keyserver_options.use_temp_files=0;
#endif
else if(strcasecmp(tok,"keep-temp-files")==0)
opt.keyserver_options.keep_temp_files=1;
else if(strcasecmp(tok,"no-keep-temp-files")==0)
opt.keyserver_options.keep_temp_files=0;
else if(strcasecmp(tok,"verbose")==0)
opt.keyserver_options.verbose++;
else if(strcasecmp(tok,"no-verbose")==0)
opt.keyserver_options.verbose--;
else if(strcasecmp(tok,"honor-http-proxy")==0)
opt.honor_http_proxy=1;
else if(strcasecmp(tok,"no-honor-http-proxy")==0)
opt.honor_http_proxy=0;
else if(strlen(tok)>0)
add_to_strlist(&opt.keyserver_options.other,tok);
tok=strsep(&options," ,");
}
while(tok!=NULL);
}
int
parse_keyserver_uri(char *uri)
{
/* Get the scheme */
opt.keyserver_scheme=strsep(&uri,":");
if(uri==NULL)
{
uri=opt.keyserver_scheme;
opt.keyserver_scheme="x-hkp";
}
/* Skip the "//", if any */
if(strlen(uri)>2 && uri[0]=='/' && uri[1]=='/')
uri+=2;
/* Get the host */
opt.keyserver_host=strsep(&uri,":/");
if(uri==NULL)
opt.keyserver_port="0";
else
{
char *ch;
/* Get the port */
opt.keyserver_port=strsep(&uri,"/");
/* Ports are digits only */
ch=opt.keyserver_port;
while(*ch!='\0')
{
if(!isdigit(*ch))
return G10ERR_BAD_URI;
ch++;
}
if(strlen(opt.keyserver_port)==0 ||
atoi(opt.keyserver_port)<1 || atoi(opt.keyserver_port)>65535)
return G10ERR_BAD_URI;
}
/* (any path part of the URI is discarded for now) */
if(opt.keyserver_scheme[0]=='\0' || opt.keyserver_host[0]=='\0')
return G10ERR_BAD_URI;
return 0;
}
/* Unquote only the delimiter character */
static void
printunquoted(char *string,char delim)
{
char *ch=string;
while(*ch)
{
if(*ch=='\\')
{
int c;
sscanf(ch,"\\x%02X",&c);
if(c==delim)
{
printf("%c",c);
ch+=3;
}
else
fputc(*ch,stdout);
}
else
fputc(*ch,stdout);
ch++;
}
}
static int
print_keyinfo(int count,char *keystring,u32 *keyid)
{
char *certid,*userid,*keytype,*tok;
int flags,keysize=0;
time_t createtime=0,expiretime=0,modifytime=0;
if((certid=strsep(&keystring,":"))==NULL)
return -1;
/* Ideally this is the long key ID, but HKP uses the short key
ID. */
if(sscanf(certid,"%08lX%08lX",(ulong *)&keyid[0],(ulong *)&keyid[1])!=2)
{
keyid[0]=0;
if(sscanf(certid,"%08lX",(ulong *)&keyid[1])!=1)
return -1;
}
if((tok=strsep(&keystring,":"))==NULL)
return -1;
userid=utf8_to_native(tok,strlen(tok),0);
if((tok=strsep(&keystring,":"))==NULL)
return -1;
flags=atoi(tok);
if((tok=strsep(&keystring,":"))==NULL)
return -1;
createtime=atoi(tok);
if((tok=strsep(&keystring,":"))==NULL)
return -1;
expiretime=atoi(tok);
if((tok=strsep(&keystring,":"))==NULL)
return -1;
modifytime=atoi(tok);
if((keytype=strsep(&keystring,":"))==NULL)
return -1;
/* The last one */
if(keystring!=NULL)
keysize=atoi(keystring);
printf("(%d)\t",count);
/* No need to check for control characters, as utf8_to_native does
this for us. */
printunquoted(userid,':');
if(flags&1)
printf(" (revoked)");
if(flags&2)
printf(" (disabled)");
if(keytype[0])
printf(" %s",keytype);
if(keysize>0)
printf(" %d",keysize);
printf("\n\t created %s,",strtimestamp(createtime));
if(expiretime>0)
printf(" expires %s,",strtimestamp(expiretime));
printf(" keyid %s\n",certid);
return 0;
}
static int
keyserver_spawn(int action,STRLIST list,u32 (*kidlist)[2],int count)
{
int ret=KEYSERVER_INTERNAL_ERROR,i,to[2]={-1,-1},from[2]={-1,-1};
pid_t child=0;
STRLIST temp;
unsigned int maxlen=256,buflen;
char *filename=NULL,*tempfile_in=NULL,*tempfile_out=NULL,*searchstr=NULL;
char *tempdir=NULL;
byte *line=NULL;
FILE *tochild=NULL;
IOBUF fromchild=NULL;
int gotversion=0,madedir=0;
#ifndef __MINGW32__
/* Don't allow to be setuid when we are going to create temporary
files or directories - yes, this is a bit paranoid */
if (getuid() != geteuid() )
BUG ();
#endif
if(opt.keyserver_disable && !opt.no_perm_warn)
{
log_info(_("keyserver scheme \"%s\" disabled due to unsafe "
"options file permissions\n"),opt.keyserver_scheme);
return KEYSERVER_SCHEME_NOT_FOUND;
}
/* Build the filename for the helper to execute */
filename=m_alloc(strlen("gpgkeys_")+strlen(opt.keyserver_scheme)+1);
strcpy(filename,"gpgkeys_");
strcat(filename,opt.keyserver_scheme);
if(opt.keyserver_options.use_temp_files)
{
const char *tmp=get_temp_dir();
tempdir=m_alloc(strlen(tmp)+1+10+1);
sprintf(tempdir,"%s" DIRSEP_S "gpg-XXXXXX",tmp);
if(mkdtemp(tempdir)==NULL)
{
log_error(_("%s: can't create temp directory: %s\n"),
tempdir,strerror(errno));
goto fail;
}
madedir=1;
tempfile_in=m_alloc(strlen(tempdir)+1+10+1);
sprintf(tempfile_in,"%s" DIRSEP_S "ksrvin" EXTSEP_S "txt",tempdir);
tempfile_out=m_alloc(strlen(tempdir)+1+11+1);
sprintf(tempfile_out,"%s" DIRSEP_S "ksrvout" EXTSEP_S "txt",tempdir);
tochild=fopen(tempfile_in,"w");
if(tochild==NULL)
{
log_error(_("%s: can't create: %s\n"),tempfile_in,strerror(errno));
goto fail;
}
}
else
{
if(pipe(to)==-1)
goto fail;
if(pipe(from)==-1)
goto fail;
if((child=fork())==-1)
goto fail;
if(child==0)
{
/* I'm the child */
/* implied close of STDERR */
if(dup2(STDOUT_FILENO,STDERR_FILENO)==-1)
_exit(KEYSERVER_INTERNAL_ERROR);
close(from[0]);
from[0]=-1;
/* implied close of STDOUT */
if(dup2(from[1],STDOUT_FILENO)==-1)
_exit(KEYSERVER_INTERNAL_ERROR);
close(to[1]);
to[1]=-1;
/* implied close of STDIN */
if(dup2(to[0],STDIN_FILENO)==-1)
_exit(KEYSERVER_INTERNAL_ERROR);
execlp(filename,filename,NULL);
/* If we get this far the exec failed. Clean up and return. */
if(opt.keyserver_options.verbose>2)
log_error(_("unable to execute %s: %s\n"),
filename,strerror(errno));
if(errno==ENOENT)
_exit(KEYSERVER_SCHEME_NOT_FOUND);
_exit(KEYSERVER_INTERNAL_ERROR);
}
/* I'm the parent */
close(to[0]);
to[0]=-1;
tochild=fdopen(to[1],"w");
if(tochild==NULL)
{
ret=G10ERR_WRITE_FILE;
close(to[1]);
goto fail;
}
close(from[1]);
from[1]=-1;
fromchild=iobuf_fdopen(from[0],"r");
if(fromchild==NULL)
{
ret=G10ERR_READ_FILE;
goto fail;
}
}
fprintf(tochild,"# This is a gpg keyserver communications file\n");
fprintf(tochild,"VERSION %d\n",KEYSERVER_PROTO_VERSION);
fprintf(tochild,"PROGRAM %s\n",VERSION);
fprintf(tochild,"HOST %s\n",opt.keyserver_host);
if(atoi(opt.keyserver_port)>0)
fprintf(tochild,"PORT %s\n",opt.keyserver_port);
/* Write options */
fprintf(tochild,"OPTION %sinclude-revoked\n",
opt.keyserver_options.include_revoked?"":"no-");
fprintf(tochild,"OPTION %sinclude-disabled\n",
opt.keyserver_options.include_disabled?"":"no-");
for(i=0;i<opt.keyserver_options.verbose;i++)
fprintf(tochild,"OPTION verbose\n");
temp=opt.keyserver_options.other;
for(;temp;temp=temp->next)
fprintf(tochild,"OPTION %s\n",temp->d);
switch(action)
{
case GET:
{
int i;
fprintf(tochild,"COMMAND GET\n\n");
/* Which keys do we want? */
for(i=0;i<count;i++)
fprintf(tochild,"0x%08lX%08lX\n",
(ulong)kidlist[i][0],(ulong)kidlist[i][1]);
fprintf(tochild,"\n");
break;
}
case SEND:
{
STRLIST key,temp;
/* Note the extra \n here to send an empty keylist block */
fprintf(tochild,"COMMAND SEND\n\n\n");
for(key=list;key!=NULL;key=key->next)
{
armor_filter_context_t afx;
IOBUF buffer=iobuf_temp();
temp=NULL;
add_to_strlist(&temp,key->d);
memset(&afx,0,sizeof(afx));
afx.what=1;
iobuf_push_filter(buffer,armor_filter,&afx);
if(export_pubkeys_stream(buffer,key,1)==-1)
iobuf_close(buffer);
else
{
iobuf_flush_temp(buffer);
fprintf(tochild,"KEY %s BEGIN\n",key->d);
fwrite(iobuf_get_temp_buffer(buffer),
iobuf_get_temp_length(buffer),1,tochild);
fprintf(tochild,"KEY %s END\n",key->d);
iobuf_close(buffer);
}
free_strlist(temp);
}
break;
}
case SEARCH:
{
STRLIST key;
fprintf(tochild,"COMMAND SEARCH\n\n");
/* Which keys do we want? Remember that the gpgkeys_ program
is going to lump these together into a search string. */
for(key=list;key!=NULL;key=key->next)
{
fprintf(tochild,"%s\n",key->d);
if(key!=list)
{
searchstr=m_realloc(searchstr,
strlen(searchstr)+strlen(key->d)+2);
strcat(searchstr," ");
}
else
{
searchstr=m_alloc(strlen(key->d)+1);
searchstr[0]='\0';
}
strcat(searchstr,key->d);
}
fprintf(tochild,"\n");
break;
}
default:
log_fatal(_("no keyserver action!\n"));
break;
}
/* Done sending */
fclose(tochild);
tochild=NULL;
to[1]=-1;
if(opt.keyserver_options.use_temp_files)
{
char *command=m_alloc(strlen(filename)+2+
strlen(tempfile_in)+6+
strlen(tempfile_out)+2);
sprintf(command,"%s -o \"%s\" \"%s\"",filename,tempfile_out,tempfile_in);
ret=system(command);
m_free(command);
ret=WEXITSTATUS(ret);
if(ret==127)
{
log_error(_("unable to exec keyserver program\n"));
goto fail;
}
if(ret==-1)
{
log_error(_("internal system error while calling keyserver: %s\n"),
strerror(errno));
goto fail;
}
fromchild=iobuf_open(tempfile_out);
if(fromchild==NULL)
{
log_error(_("unable to read keyserver response: %s\n"),
strerror(errno));
goto fail;
}
}
/* Now handle the response */
do
{
if(iobuf_read_line(fromchild,&line,&buflen,&maxlen)==0)
{
ret=G10ERR_READ_FILE;
goto fail; /* i.e. EOF */
}
if(strncasecmp(line,"VERSION ",8)==0)
{
gotversion=1;
if(atoi(&line[8])!=KEYSERVER_PROTO_VERSION)
{
log_error(_("invalid keyserver protocol (us %d!=handler %d)\n"),
KEYSERVER_PROTO_VERSION,atoi(&line[8]));
goto fail;
}
}
if(strncasecmp(line,"PROGRAM ",8)==0)
{
line[strlen(line)-1]='\0';
if(strcasecmp(&line[8],VERSION)!=0)
log_info(_("Warning: keyserver handler from a different "
"version of GnuPG (%s)\n"),&line[8]);
}
}
while(line[0]!='\n');
if(!gotversion)
{
log_error(_("keyserver communications error\n"));
goto fail;
}
switch(action)
{
case GET:
{
void *stats_handle;
stats_handle=import_new_stats_handle();
/* Slurp up all the key data. In the future, it might be nice
to look for KEY foo OUTOFBAND and FAILED indicators. It's
harmless to ignore them, but ignoring them does make gpg
complain about "no valid OpenPGP data found". One way to
do this could be to continue parsing this line-by-line and
make a temp iobuf for each key. */
import_keys_stream(fromchild,
opt.keyserver_options.fast_import,stats_handle);
import_print_stats(stats_handle);
import_release_stats_handle(stats_handle);
break;
}
/* Nothing to do here */
case SEND:
break;
case SEARCH:
{
byte *line=NULL;
unsigned int buflen=0,maxlen=80;
int count;
/* Look for the COUNT line */
do
{
if(iobuf_read_line(fromchild,&line,&buflen,&maxlen)==0)
{
ret=G10ERR_READ_FILE;
goto fail; /* i.e. EOF */
}
}
while(sscanf(line,"COUNT %d\n",&count)!=1);
keyserver_search_prompt(fromchild,count,searchstr);
break;
}
default:
log_fatal(_("no keyserver action!\n"));
break;
}
iobuf_close(fromchild);
fromchild=NULL;
ret=0;
fail:
if(tochild!=NULL)
{
fclose(tochild);
to[1]=-1;
}
if(fromchild!=NULL)
{
iobuf_close(fromchild);
from[0]=-1;
}
if(from[0]>-1)
close(from[0]);
if(from[1]>-1)
close(from[1]);
if(to[0]>-1)
close(to[0]);
if(to[1]>-1)
close(to[1]);
if(child>0)
{
int rc;
waitpid(child,&rc,0);
if(ret==0 && WIFEXITED(rc))
ret=WEXITSTATUS(rc);
}
m_free(filename);
if(madedir && !opt.keyserver_options.keep_temp_files)
{
unlink(tempfile_in);
unlink(tempfile_out);
rmdir(tempdir);
}
m_free(tempfile_in);
m_free(tempfile_out);
m_free(tempdir);
return ret;
}
static int
keyserver_work(int action,STRLIST list,u32 (*kidlist)[2],int count)
{
int rc=0;
#ifdef KEYSERVER_TEMPFILE_ONLY
opt.keyserver_options.use_temp_files=1;
#endif
if(opt.keyserver_scheme==NULL ||
opt.keyserver_host==NULL ||
opt.keyserver_port==NULL)
{
log_error(_("no keyserver known (use option --keyserver)\n"));
return G10ERR_BAD_URI;
}
/* Use the internal HKP code */
if(strcasecmp(opt.keyserver_scheme,"x-hkp")==0 ||
strcasecmp(opt.keyserver_scheme,"hkp")==0 ||
strcasecmp(opt.keyserver_scheme,"x-broken-hkp")==0)
{
void *stats_handle = import_new_stats_handle ();
switch(action)
{
case GET:
for(count--;count>=0;count--)
if(hkp_ask_import(kidlist[count],stats_handle))
log_inc_errorcount();
break;
case SEND:
return hkp_export(list);
case SEARCH:
return hkp_search(list);
}
import_print_stats (stats_handle);
import_release_stats_handle (stats_handle);
return 0;
}
/* It's not the internal HKP code, so try and spawn a handler for it */
if((rc=keyserver_spawn(action,list,kidlist,count)))
{
switch(rc)
{
case KEYSERVER_SCHEME_NOT_FOUND:
log_error(_("no handler for keyserver scheme \"%s\"\n"),
opt.keyserver_scheme);
break;
case KEYSERVER_INTERNAL_ERROR:
default:
log_error(_("keyserver internal error\n"));
break;
}
/* This is not the best error code for this */
return G10ERR_INVALID_URI;
}
return 0;
}
int
keyserver_export(STRLIST users)
{
return keyserver_work(SEND,users,NULL,0);
}
int
keyserver_import(STRLIST users)
{
u32 (*kidlist)[2];
int num=100,count=0;
int rc=0;
/* Build a list of key ids */
kidlist=m_alloc(sizeof(u32)*2*num);
for(;users;users=users->next)
{
KEYDB_SEARCH_DESC desc;
classify_user_id (users->d, &desc);
if(desc.mode==KEYDB_SEARCH_MODE_SHORT_KID ||
desc.mode==KEYDB_SEARCH_MODE_LONG_KID)
{
kidlist[count][0]=desc.u.kid[0];
kidlist[count][1]=desc.u.kid[1];
count++;
if(count==num)
{
num+=100;
kidlist=m_realloc(kidlist,sizeof(u32)*2*num);
}
}
else
{
log_error (_("skipping invalid key ID \"%s\"\n"), users->d );
continue;
}
}
if(count>0)
rc=keyserver_work(GET,NULL,kidlist,count);
m_free(kidlist);
return rc;
}
int
keyserver_import_keyid(u32 *keyid)
{
STRLIST sl=NULL;
char key[17];
int ret;
sprintf(key,"%08lX%08lX",(ulong)keyid[0],(ulong)keyid[1]);
add_to_strlist(&sl,key);
ret=keyserver_import(sl);
free_strlist(sl);
return ret;
}
/* code mostly stolen from do_export_stream */
static int
keyidlist(STRLIST users,u32 (**kidlist)[2],int *count)
{
int rc=0,ndesc,num=100;
KBNODE keyblock=NULL,node;
KEYDB_HANDLE kdbhd;
KEYDB_SEARCH_DESC *desc;
STRLIST sl;
*count=0;
*kidlist=m_alloc(sizeof(u32)*2*num);
kdbhd=keydb_new(0);
if(!users)
{
ndesc = 1;
desc = m_alloc_clear ( ndesc * sizeof *desc);
desc[0].mode = KEYDB_SEARCH_MODE_FIRST;
}
else
{
for (ndesc=0, sl=users; sl; sl = sl->next, ndesc++)
;
desc = m_alloc ( ndesc * sizeof *desc);
for (ndesc=0, sl=users; sl; sl = sl->next)
{
if(classify_user_id (sl->d, desc+ndesc))
ndesc++;
else
log_error (_("key `%s' not found: %s\n"),
sl->d, g10_errstr (G10ERR_INV_USER_ID));
}
}
while (!(rc = keydb_search (kdbhd, desc, ndesc)))
{
if (!users)
desc[0].mode = KEYDB_SEARCH_MODE_NEXT;
/* read the keyblock */
rc = keydb_get_keyblock (kdbhd, &keyblock );
if( rc )
{
log_error (_("error reading keyblock: %s\n"), g10_errstr(rc) );
goto leave;
}
if((node=find_kbnode(keyblock,PKT_PUBLIC_KEY)))
{
keyid_from_pk(node->pkt->pkt.public_key,(*kidlist)[*count]);
(*count)++;
if(*count==num)
{
num+=100;
*kidlist=m_realloc(*kidlist,sizeof(u32)*2*num);
}
}
}
if( rc == -1 )
rc = 0;
leave:
keydb_release(kdbhd);
release_kbnode(keyblock);
return rc;
}
/* Note this is different than the original HKP refresh. It allows
usernames to refresh only part of the keyring. */
int
keyserver_refresh(STRLIST users)
{
int rc;
u32 (*kidlist)[2];
int count;
rc=keyidlist(users,&kidlist,&count);
if(rc)
return rc;
if(count==1)
log_info(_("%d key to refresh\n"),count);
else
log_info(_("%d keys to refresh\n"),count);
if(count>0)
rc=keyserver_work(GET,NULL,kidlist,count);
m_free(kidlist);
return 0;
}
int
keyserver_search(STRLIST tokens)
{
if(tokens)
return keyserver_work(SEARCH,tokens,NULL,0);
else
return 0;
}
/* Count is just for cosmetics. If it is too small, it will grow
safely. If it negative it disables the "Key x-y of z" messages. */
void
keyserver_search_prompt(IOBUF buffer,int count,const char *searchstr)
{
int i=0,validcount=1;
unsigned int maxlen=256,buflen=0;
u32 (*keyids)[2];
byte *line=NULL;
char *answer;
if(count==0)
{
if(searchstr)
log_info(_("key \"%s\" not found on keyserver\n"),searchstr);
else
log_info(_("key not found on keyserver\n"));
return;
}
if(count<0)
{
validcount=0;
count=1;
}
keyids=m_alloc(count*sizeof(u32)*2);
/* Read each line and show it to the user */
for(;;)
{
int rl;
if(i==count)
{
count++;
keyids=m_realloc(keyids,count*sizeof(u32)*2);
validcount=0;
}
i++;
if(validcount && (i-1)%10==0)
{
printf("Keys %d-%d of %d",i,(i+9<count)?i+9:count,count);
printf(" for \"%s\"",searchstr);
printf("\n");
}
maxlen=1024;
rl=iobuf_read_line(buffer,&line,&buflen,&maxlen);
if(rl>0)
{
if(print_keyinfo(i,line,keyids[i-1]))
continue;
}
else
i--;
if(i%10==0 || rl==0)
{
answer=cpr_get_no_help("keysearch.prompt",
_("Enter number(s), N)ext, or Q)uit > "));
if(answer[0]=='q' || answer[0]=='Q')
{
m_free(answer);
break;
}
else if(atoi(answer)>=1 && atoi(answer)<=i)
{
char *split=answer,*num;
while((num=strsep(&split," ,"))!=NULL)
if(atoi(num)>=1 && atoi(num)<=i)
keyserver_import_keyid(keyids[atoi(num)-1]);
m_free(answer);
break;
}
}
}
m_free(keyids);
m_free(line);
}
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